A new determinant expression of the zeta function for a hypergraph. Sato, Iwao — 2009 The Electronic Journal of Combinatorics [electronic only]
Bartholdi zeta functions for hypergraphs. Sato, Iwao — 2007 The Electronic Journal of Combinatorics [electronic only]
Weighted zeta functions of graph coverings. Sato, Iwao — 2006 The Electronic Journal of Combinatorics [electronic only]
Isomorphisms of cyclic abelian covers of symmetric digraphs. II. Sato, Iwao — 2004 APPS. Applied Sciences
Bartholdi zeta functions of fractal graphs. Sato, Iwao — 2009 The Electronic Journal of Combinatorics [electronic only]
The scattering matrix of a graph. Mizuno, Hirobumi; Sato, Iwao — 2008 The Electronic Journal of Combinatorics [electronic only]